socket-win: Install IKE bypass policies using bypass_socket()

src/libcharon/plugins/socket_win/socket_win_plugin.c

@@ -49,6 +49,7 @@ METHOD(plugin_t, get_features, int,
 	static plugin_feature_t f[] = {
 		PLUGIN_CALLBACK(socket_register, socket_win_socket_create),
 			PLUGIN_PROVIDE(CUSTOM, "socket"),
+				PLUGIN_DEPENDS(CUSTOM, "kernel-ipsec"),
 	};
 	*features = f;
 	return countof(f);

src/libcharon/plugins/socket_win/socket_win_socket.c

@@ -19,6 +19,7 @@
 #include "socket_win_socket.h"
 
 #include <library.h>
+#include <hydra.h>
 #include <threading/thread.h>
 #include <daemon.h>
 
@@ -424,6 +425,16 @@ static SOCKET open_socket(private_socket_win_socket_t *this, int i)
 		closesocket(s);
 		return INVALID_SOCKET;
 	}
+	if (!hydra->kernel_interface->bypass_socket(hydra->kernel_interface,
+												s, AF_INET))
+	{
+		DBG1(DBG_NET, "installing IPv4 IKE bypass policy failed");
+	}
+	if (!hydra->kernel_interface->bypass_socket(hydra->kernel_interface,
+												s, AF_INET6))
+	{
+		DBG1(DBG_NET, "installing IPv6 IKE bypass policy failed");
+	}
 	return s;
 }